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USB2513 データシート(PDF) 41 Page - SMSC Corporation

部品番号 USB2513
部品情報  USB 2.0 Hi-Speed Hub Controller
PDF  72 Pages
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メーカー  SMSC [SMSC Corporation]
ホームページ  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2513 データシート(HTML) 41 Page - SMSC Corporation

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USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x
41
Revision 1.0 (3-11-09)
DATASHEET
8.2.1.11
Register 0Ah: Port Disable For Self-Powered Operation
8.2.1.12
Register 0Bh: Port Disable For Bus-Powered Operation
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_SP
Port Disable Self-Powered: Disables 1 or more ports.
0 = Port is available
1 = Port is disabled
During self-powered operation when mapping mode is disabled
(PRTMAP_EN='0'), this selects the ports which will be permanently disabled,
and are not available to be enabled or enumerated by a host controller. The
ports can be disabled in any order, the internal logic will automatically report
the correct number of enabled ports to the USB host, and will reorder the
active ports in order to ensure proper function.
When using the internal default option, the PRT_DIS_P[x:1] and
PRT_DIS_M[x:1] pins will disable the appropriate ports.
Bit 7= Controls Port 7
Bit 6= Controls Port 6
Bit 5= Controls Port 5
Bit 4= Controls Port 4
Bit 3= Controls Port 3
Bit 2= Controls Port 2
Bit 1= Controls Port 1
Bit 0= Reserved, always = ‘0’
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_BP
Port Disable Bus-Powered: Disables 1 or more ports.
0 = Port is available
1 = Port is disabled
During self-powered operation when mapping mode is disabled
(PRTMAP_EN='0'), this selects the ports which will be permanently disabled,
and are not available to be enabled or enumerated by a host Controller. The
ports can be disabled in any order, the internal logic will automatically report
the correct number of enabled ports to the USB host, and will reorder the
active ports in order to ensure proper function.
When using the internal default option, the PRT_DIS_P[x:1] and
PRT_DIS_M[x:1] pins will disable the appropriate ports.
Bit 7= Controls Port 7
Bit 6= Controls Port 6
Bit 5= Controls Port 5
Bit 4= Controls Port 4
Bit 3= Controls Port 3
Bit 2= Controls Port 2
Bit 1= Controls Port 1
Bit 0 is Reserved, always = ‘0’



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